Home / 102,426.02-153,670.35-52,541.36

Finding the Fourth Proportional to 102,426.02, 153,670.35 and 52,541.36

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Solution

The fourth proportional to 102,426.02, 153,670.35 and 52,541.36 is: 78,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,426.02 : 153,670.35 = 52,541.36 : x
  2. Step 2: Convert to fraction form
    102,426.02/153,670.35 = 52,541.36/x
  3. Step 3: Cross multiply
    102,426.02x = 153,670.35 × 52,541.36
  4. Step 4: Simplify right side
    102,426.02x = 8,074,049,180.68
  5. Step 5: Solve for x
    x = 8,074,049,180.68/102,426.02
  6. Step 6: Final answer
    x = 78,828.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.